hiphotos199216
Le Flux et le Reflux (no. 6), from Tableaux du Systeme Planetaire pub. Paris, 1839. Shows the ebb and flow of the oceans in relation to the earth's rotation, it's orbit of the sun and orbit of the moon; engraved by Auguste-Henri Dufour (1795-1865) French astronomer, after Sigismond Visconti.//
DC